12 Dudley Street

Semaphore SA 5019

The size of Semaphore is approximately 1.2 square kilometres. It has 4 parks covering nearly 6.6% of total area. The population of Semaphore in 2016 was 2764 people. By 2021 the population was 2749 showing a population decline of 0.5% in the area during that time. The predominant age group in Semaphore is 50-59 years. Households in Semaphore are primarily childless couples and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Semaphore work in a professional occupation.In 2021, 68.20% of the homes in Semaphore were owner-occupied compared with 67.30% in 2016.

Semaphore has 1,514 properties. Over the last 5 years, Houses in Semaphore have seen a 73.94% increase in median value, while Units have seen a 103.27% increase. As at 31 January 2026:

• The median value for Houses in Semaphore is $1,170,141 while the median value for Units is $677,753.
• Houses have a median rent of $720 while Units have a median rent of $480.